| Nizip to Oerlinghausen | 1,749.84 mi (2,816.09 km) |
| Nizip to Oestrich-Winkel | 1,725.08 mi (2,776.25 km) |
| Nizip to Offenburg | 1,694.64 mi (2,727.26 km) |
| Nizip to Oftersheim | 1,685.84 mi (2,713.10 km) |
| Nizip to Ohrdruf | 1,635.90 mi (2,632.73 km) |
| Nizip to Ohringen | 1,643.04 mi (2,644.21 km) |
| Nizip to Olbernhau | 1,529.49 mi (2,461.47 km) |
| Nizip to Olching | 1,541.41 mi (2,480.67 km) |
| Nizip to Oldenburg | 1,801.99 mi (2,900.03 km) |
| Nizip to Oldenburg in Holstein | 1,745.66 mi (2,809.36 km) |
| Nizip to Olfen | 1,793.13 mi (2,885.76 km) |
| Nizip to Olpe | 1,756.92 mi (2,827.50 km) |
| Nizip to Olsberg | 1,739.72 mi (2,799.81 km) |
| Nizip to Oranienburg | 1,606.78 mi (2,585.86 km) |
| Nizip to Ortenberg | 1,690.27 mi (2,720.23 km) |
